/* Start custom CSS for html, class: .elementor-element-04873e4 */.em-battery {
--bat-green: #166534;
--bat-green-dark: #123f25;
--bat-green-light: #dcfce7;
--bat-yellow: #f59e0b;
--bat-yellow-light: #fef3c7;
--bat-blue: #0369a1;
--bat-blue-light: #e0f2fe;
--bat-red: #b91c1c;
--bat-red-light: #fee2e2;
--bat-text: #18212f;
--bat-muted: #596579;
--bat-border: #dce3ea;
--bat-bg: #f6f8fa;
--bat-white: #ffffff;
--bat-shadow: 0 16px 40px rgba(15, 23, 42, 0.075);
max-width: 1180px;
margin: 0 auto;
color: var(--bat-text);
font-size: 17px;
line-height: 1.72;
}

.em-battery,
.em-battery * {
box-sizing: border-box;
}

.em-battery h1,
.em-battery h2,
.em-battery h3,
.em-battery p,
.em-battery ul,
.em-battery ol,
.em-battery blockquote {
margin-top: 0;
}

.em-battery h1 {
max-width: 980px;
margin-bottom: 24px;
font-size: clamp(34px, 5vw, 59px);
line-height: 1.08;
letter-spacing: -0.035em;
}

.em-battery h2 {
margin-bottom: 22px;
font-size: clamp(27px, 3.4vw, 40px);
line-height: 1.18;
letter-spacing: -0.025em;
}

.em-battery h3 {
margin-bottom: 12px;
font-size: clamp(20px, 2.3vw, 25px);
line-height: 1.3;
}

.em-battery p,
.em-battery ul,
.em-battery ol {
margin-bottom: 0;
}

.em-battery a {
color: var(--bat-green);
text-decoration-thickness: 1px;
text-underline-offset: 3px;
}

.em-battery__hero {
position: relative;
overflow: hidden;
margin-bottom: 28px;
padding: clamp(34px, 6vw, 76px);
border-radius: 30px;
background:
radial-gradient(circle at 87% 15%, rgba(245, 158, 11, 0.35), transparent 25%),
radial-gradient(circle at 76% 91%, rgba(34, 197, 94, 0.24), transparent 31%),
linear-gradient(135deg, #102f20 0%, #166534 55%, #14532d 100%);
color: var(--bat-white);
box-shadow: var(--bat-shadow);
}

.em-battery__hero::after {
content: "";
position: absolute;
right: -105px;
bottom: -135px;
width: 400px;
height: 400px;
border: 42px solid rgba(255, 255, 255, 0.065);
border-radius: 50%;
}

.em-battery__hero-content {
position: relative;
z-index: 1;
}

.em-battery__label {
display: inline-flex;
align-items: center;
margin-bottom: 18px;
padding: 7px 12px;
border-radius: 999px;
background: rgba(255, 255, 255, 0.14);
font-size: 13px;
font-weight: 800;
line-height: 1.2;
letter-spacing: 0.07em;
text-transform: uppercase;
}

.em-battery__label--green {
background: var(--bat-green-light);
color: var(--bat-green);
}

.em-battery__lead {
max-width: 930px;
margin-bottom: 27px;
color: rgba(255, 255, 255, 0.9);
font-size: clamp(18px, 2vw, 22px);
line-height: 1.58;
}

.em-battery__tags,
.em-battery__cta-list {
display: flex;
flex-wrap: wrap;
gap: 9px;
margin-bottom: 28px;
}

.em-battery__tags span,
.em-battery__cta-list span {
padding: 7px 12px;
border: 1px solid rgba(255, 255, 255, 0.23);
border-radius: 999px;
background: rgba(255, 255, 255, 0.08);
font-size: 14px;
font-weight: 700;
}

.em-battery__hero-actions,
.em-battery__cta-actions {
display: flex;
flex-wrap: wrap;
gap: 12px;
}

.em-battery__button {
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 50px;
padding: 13px 21px;
border: 1px solid transparent;
border-radius: 12px;
font-weight: 800;
line-height: 1.2;
text-align: center;
text-decoration: none !important;
transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.em-battery__button {
transform: translateY(-2px);
}

.em-battery__button--primary {
background: var(--bat-yellow);
color: #241600 !important;
box-shadow: 0 10px 24px rgba(245, 158, 11, 0.25);
}

.em-battery__button--secondary {
border-color: rgba(255, 255, 255, 0.35);
background: rgba(255, 255, 255, 0.1);
color: var(--bat-white) !important;
}

.em-battery__button--telegram {
background: #168bd2;
color: var(--bat-white) !important;
}

.em-battery__answer,
.em-battery__note,
.em-battery__warning,
.em-battery__danger {
margin: 27px 0;
padding: 24px 26px;
border-radius: 18px;
}

.em-battery__answer {
border: 1px solid #bbf7d0;
background: var(--bat-green-light);
}

.em-battery__note {
border-left: 5px solid var(--bat-blue);
background: var(--bat-blue-light);
}

.em-battery__warning {
border-left: 5px solid var(--bat-yellow);
background: var(--bat-yellow-light);
}

.em-battery__danger {
border-left: 5px solid var(--bat-red);
background: var(--bat-red-light);
}

.em-battery__answer strong,
.em-battery__note strong,
.em-battery__warning strong,
.em-battery__danger strong {
display: block;
margin-bottom: 7px;
font-size: 19px;
}

.em-battery__toc {
margin: 28px 0;
padding: clamp(24px, 4vw, 36px);
border: 1px solid var(--bat-border);
border-radius: 22px;
background: var(--bat-white);
box-shadow: var(--bat-shadow);
}

.em-battery__toc h2 {
margin-bottom: 20px;
font-size: 25px;
}

.em-battery__toc-grid {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 10px 18px;
}

.em-battery__toc-grid a {
position: relative;
padding: 7px 0 7px 17px;
color: var(--bat-text);
font-size: 15px;
font-weight: 700;
line-height: 1.4;
text-decoration: none;
}

.em-battery__toc-grid a::before {
content: "";
position: absolute;
top: 15px;
left: 0;
width: 7px;
height: 7px;
border-radius: 50%;
background: var(--bat-green);
}

.em-battery__section {
position: relative;
margin: 30px 0;
padding: clamp(28px, 5vw, 50px);
border: 1px solid var(--bat-border);
border-radius: 26px;
background: var(--bat-white);
box-shadow: 0 12px 34px rgba(15, 23, 42, 0.055);
}

.em-battery__section-number {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 48px;
height: 32px;
margin-bottom: 18px;
padding: 0 12px;
border-radius: 999px;
background: var(--bat-green);
color: var(--bat-white);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.08em;
}

.em-battery__grid {
display: grid;
gap: 18px;
margin: 24px 0;
}

.em-battery__grid--2 {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

.em-battery__grid--4 {
grid-template-columns: repeat(4, minmax(0, 1fr));
}

.em-battery__mini-card,
.em-battery__card {
height: 100%;
padding: 23px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__mini-card strong {
display: block;
margin-bottom: 7px;
color: var(--bat-green-dark);
font-size: 18px;
}

.em-battery__card-label {
display: inline-flex;
margin-bottom: 11px;
color: var(--bat-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-battery__card ul {
margin-bottom: 0;
padding-left: 21px;
}

.em-battery__table-wrap {
width: 100%;
margin: 25px 0;
overflow-x: auto;
border: 1px solid var(--bat-border);
border-radius: 17px;
-webkit-overflow-scrolling: touch;
}

.em-battery__table {
width: 100%;
min-width: 760px;
border-collapse: collapse;
background: var(--bat-white);
}

.em-battery__table th,
.em-battery__table td {
padding: 16px 17px;
border-bottom: 1px solid var(--bat-border);
vertical-align: top;
text-align: left;
}

.em-battery__table th {
background: #eef7f1;
color: var(--bat-green-dark);
font-size: 14px;
font-weight: 900;
}

.em-battery__table tbody tr td {
border-bottom: 0;
}

.em-battery__choice-grid,
.em-battery__apartment-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 18px;
margin: 27px 0;
}

.em-battery__choice {
padding: 25px;
border: 1px solid var(--bat-border);
border-radius: 19px;
background: var(--bat-bg);
}

.em-battery__choice--recommended {
border: 2px solid #4ade80;
background: #f0fdf4;
}

.em-battery__choice-label {
display: inline-flex;
margin-bottom: 13px;
padding: 5px 9px;
border-radius: 999px;
background: var(--bat-white);
color: var(--bat-green);
font-size: 11px;
font-weight: 900;
letter-spacing: 0.06em;
text-transform: uppercase;
}

.em-battery__criteria,
.em-battery__bms-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 17px;
margin: 27px 0;
}

.em-battery__criteria article,
.em-battery__bms-grid article {
padding: 23px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__criteria span,
.em-battery__bms-grid span {
display: inline-flex;
margin-bottom: 11px;
color: var(--bat-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-battery__criteria h3,
.em-battery__bms-grid h3 {
font-size: 19px;
}

.em-battery__formula {
margin: 25px 0;
padding: 27px;
border: 1px solid #bbf7d0;
border-radius: 19px;
background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
text-align: center;
}

.em-battery__formula-title {
margin-bottom: 9px;
color: var(--bat-green);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.07em;
text-transform: uppercase;
}

.em-battery__formula-value {
margin-bottom: 11px;
color: var(--bat-green-dark);
font-size: clamp(27px, 4vw, 42px);
font-weight: 900;
line-height: 1.2;
}

.em-battery__example-card {
padding: 24px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
text-align: center;
}

.em-battery__example-card span {
display: block;
margin-bottom: 8px;
color: var(--bat-muted);
font-size: 17px;
}

.em-battery__example-card strong {
color: var(--bat-green-dark);
font-size: 30px;
}

.em-battery__calculation {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 15px;
margin: 25px 0;
}

.em-battery__calculation div {
padding: 21px;
border: 1px solid var(--bat-border);
border-radius: 17px;
background: var(--bat-bg);
text-align: center;
}

.em-battery__calculation span {
display: inline-flex;
align-items: center;
justify-content: center;
width: 31px;
height: 31px;
margin-bottom: 11px;
border-radius: 50%;
background: var(--bat-green);
color: var(--bat-white);
font-size: 13px;
font-weight: 900;
}

.em-battery__calculation p {
color: var(--bat-green-dark);
font-weight: 800;
}

.em-battery__checklist {
padding-left: 0;
list-style: none;
}

.em-battery__checklist li {
position: relative;
margin-bottom: 10px;
padding-left: 31px;
}

.em-battery__checklist li::before {
content: "✓";
position: absolute;
top: 1px;
left: 0;
display: inline-flex;
align-items: center;
justify-content: center;
width: 21px;
height: 21px;
border-radius: 50%;
background: var(--bat-green-light);
color: var(--bat-green);
font-size: 13px;
font-weight: 900;
}

.em-battery__example-box {
margin: 25px 0;
padding: 24px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__example-value {
margin: 15px 0;
padding: 14px 17px;
border-radius: 12px;
background: var(--bat-green-dark);
color: var(--bat-white);
font-size: 23px;
font-weight: 900;
text-align: center;
}

.em-battery__voltage-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 17px;
margin: 25px 0;
}

.em-battery__voltage-grid article {
padding: 24px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__voltage-grid span {
display: inline-flex;
margin-bottom: 10px;
color: var(--bat-green);
font-size: 22px;
font-weight: 900;
}

.em-battery__voltage-grid strong {
display: block;
margin-bottom: 8px;
color: var(--bat-green-dark);
}

.em-battery__flow {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 15px;
margin: 26px 0;
}

.em-battery__flow div {
padding: 22px;
border: 1px solid var(--bat-border);
border-radius: 17px;
background: var(--bat-bg);
}

.em-battery__flow span {
display: inline-flex;
align-items: center;
justify-content: center;
width: 31px;
height: 31px;
margin-bottom: 11px;
border-radius: 50%;
background: var(--bat-green);
color: var(--bat-white);
font-size: 13px;
font-weight: 900;
}

.em-battery__flow strong {
display: block;
color: var(--bat-green-dark);
line-height: 1.4;
}

.em-battery__quote {
margin: 26px 0;
padding: 23px 25px;
border-left: 5px solid var(--bat-green);
border-radius: 0 16px 16px 0;
background: var(--bat-green-light);
color: var(--bat-green-dark);
font-weight: 700;
}

.em-battery__protection-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 17px;
margin: 26px 0;
}

.em-battery__protection-grid article {
padding: 23px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__protection-grid span {
display: inline-flex;
margin-bottom: 10px;
color: var(--bat-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
}

.em-battery__mistakes {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 17px;
margin: 25px 0;
}

.em-battery__mistakes article {
position: relative;
padding: 23px 23px 23px 66px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-bg);
}

.em-battery__mistakes article > span {
position: absolute;
top: 23px;
left: 20px;
color: var(--bat-green);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.08em;
}

.em-battery__mistakes h3 {
font-size: 20px;
}

.em-battery__check-table {
display: grid;
gap: 12px;
margin: 25px 0;
}

.em-battery__check-row {
display: grid;
grid-template-columns: 42px minmax(0, 1fr);
gap: 15px;
padding: 19px;
border: 1px solid var(--bat-border);
border-radius: 16px;
background: var(--bat-bg);
}

.em-battery__check-row > span {
display: inline-flex;
align-items: center;
justify-content: center;
width: 36px;
height: 36px;
border-radius: 50%;
background: var(--bat-green);
color: var(--bat-white);
font-weight: 900;
}

.em-battery__check-row strong {
display: block;
margin-bottom: 5px;
font-size: 18px;
}

.em-battery__standards {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 16px;
margin: 25px 0;
}

.em-battery__standards article {
padding: 21px;
border: 1px solid var(--bat-border);
border-radius: 17px;
background: var(--bat-bg);
}

.em-battery__standards strong {
display: block;
margin-bottom: 8px;
color: var(--bat-green-dark);
font-size: 16px;
}

.em-battery__small {
color: var(--bat-muted);
font-size: 14px;
}

.em-battery__faq details {
margin-bottom: 12px;
overflow: hidden;
border: 1px solid var(--bat-border);
border-radius: 15px;
background: var(--bat-bg);
}

.em-battery__faq summary {
position: relative;
padding: 19px 52px 19px 20px;
cursor: pointer;
font-weight: 800;
line-height: 1.4;
list-style: none;
}

.em-battery__faq summary::-webkit-details-marker {
display: none;
}

.em-battery__faq summary::after {
content: "+";
position: absolute;
top: 50%;
right: 20px;
transform: translateY(-50%);
color: var(--bat-green);
font-size: 25px;
font-weight: 500;
}

.em-battery__faq details[open] summary::after {
content: "−";
}

.em-battery__faq details div {
padding: 0 20px 20px;
color: var(--bat-muted);
}

.em-battery__conclusion,
.em-battery__cta {
margin: 30px 0;
padding: clamp(31px, 6vw, 58px);
border-radius: 27px;
}

.em-battery__conclusion {
border: 1px solid var(--bat-border);
background: var(--bat-bg);
}

.em-battery__cta {
background:
radial-gradient(circle at 90% 10%, rgba(245, 158, 11, 0.26), transparent 28%),
linear-gradient(135deg, #10261b 0%, #14532d 100%);
color: var(--bat-white);
box-shadow: var(--bat-shadow);
}

.em-battery__cta p {
color: rgba(255, 255, 255, 0.86);
}

.em-battery__cta-info {
margin-top: 24px;
padding-top: 20px;
border-top: 1px solid rgba(255, 255, 255, 0.17);
font-size: 14px;
}

.em-battery__related {
margin: 30px 0;
}

.em-battery__related-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 16px;
}

.em-battery__related-grid a {
display: flex;
flex-direction: column;
gap: 7px;
min-height: 145px;
padding: 23px;
border: 1px solid var(--bat-border);
border-radius: 18px;
background: var(--bat-white);
color: var(--bat-text);
text-decoration: none;
box-shadow: 0 9px 25px rgba(15, 23, 42, 0.045);
transition: transform 0.18s ease, border-color 0.18s ease;
}

.em-battery__related-grid a {
transform: translateY(-3px);
border-color: #86efac;
}

.em-battery__related-grid strong {
color: var(--bat-green-dark);
font-size: 18px;
line-height: 1.35;
}

.em-battery__related-grid span {
color: var(--bat-muted);
font-size: 14px;
line-height: 1.5;
}

@media (max-width: 980px) {
.em-battery__toc-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

.em-battery__grid--4,
.em-battery__criteria,
.em-battery__bms-grid,
.em-battery__protection-grid,
.em-battery__standards,
.em-battery__related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.em-battery__flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

}

@media (max-width: 700px) {
.em-battery {
font-size: 16px;
line-height: 1.68;
}

.em-battery__hero,
.em-battery__section,
.em-battery__conclusion,
.em-battery__cta {
    border-radius: 20px;
}

.em-battery__hero {
    padding: 30px 22px;
}

.em-battery__section {
    padding: 27px 20px;
}

.em-battery__toc {
    padding: 24px 20px;
}

.em-battery__toc-grid,
.em-battery__grid--2,
.em-battery__grid--4,
.em-battery__choice-grid,
.em-battery__apartment-grid,
.em-battery__criteria,
.em-battery__bms-grid,
.em-battery__calculation,
.em-battery__voltage-grid,
.em-battery__flow,
.em-battery__protection-grid,
.em-battery__mistakes,
.em-battery__standards,
.em-battery__related-grid {
    grid-template-columns: 1fr;
}

.em-battery__button {
    width: 100%;
}

.em-battery__hero-actions,
.em-battery__cta-actions {
    display: grid;
    grid-template-columns: 1fr;
}

.em-battery__answer,
.em-battery__note,
.em-battery__warning,
.em-battery__danger {
    padding: 21px 19px;
    border-radius: 15px;
}

.em-battery__table {
    min-width: 680px;
}

.em-battery__table th,
.em-battery__table td {
    padding: 14px;
    font-size: 14px;
}

.em-battery__formula {
    padding: 23px 17px;
}

.em-battery__mistakes article {
    padding: 22px 20px 22px 60px;
}

.em-battery__check-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 17px;
}

.em-battery__check-row > span {
    width: 32px;
    height: 32px;
}

.em-battery__related-grid a {
    min-height: 0;
}

}

@media (max-width: 420px) {
.em-battery__toc-grid {
grid-template-columns: 1fr;
}

.em-battery__tags {
    gap: 7px;
}

.em-battery__tags span {
    font-size: 12px;
}

.em-battery__table {
    min-width: 630px;
}

}/* End custom CSS */